CIRCUIT060078
Non-inverting comparator with hysteresis circuit
CIRCUIT060078
Overview
Comparators are used to differentiate between two different signal levels. With noise, signal variation, or slow-moving signals, undesirable transitions at the output can be observed with a constant threshold. Setting upper and lower hysteresis thresholds eliminates these undesirable output transitions. This circuit example will focus on the steps required to design the positive feedback resistor network necessary to obtain the desired hysteresis for a non-inverting comparator application.
Features
- Output:
- Vo = HIGH
- Vi > V_H
- Vo = LOW
- Vi < V_L
- Thresholds:
- V_H = 1.7 V
- V_L = 1.3 V
- V_HYS = 400 mV
- Supply:
- Vcc = 3 V
- V_PU = 3 V
- Vref = 3 V
Get started
- Read the circuit design
- Download the model
Technical documentation
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| Type | Title | Date | ||
|---|---|---|---|---|
| Circuit design | Non-inverting comparator with hysteresis circuit (Rev. A) | PDF | HTML | Aug 15, 2019 |